The Twilight Zone Tower of Terror at Disney California Adventure Park opened in 2004. It had 42 incidents of injury or ailment reported in 2007 through 2012. Source: California Department of Industrial Relations.

The Twilight Zone Tower of Terror at Disney California Adventure Park opened in 2004. It had 42 incidents of injury or ailment reported in 2007 through 2012. Source: California Department of Industrial Relations. (Nick Ut / Associated Press)

Southern California theme park attractions ranked by total number of injuries and ailments reported from 2007 through 2012. (Note: This is not a safety ranking. Ridership figures were not available to calculate accident frequency based on usage.)